Elasticsearch Docker

Elasticsearch is a powerful open source search and analytics engine that makes data easy to explore.

Docker

docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.9.3

Elasticsearch Standalone in Docker Compose

elasticsearch-standalone.yml

Elasticsearch Cluster in Docker Compose

elasticsearch.yml

http://localhost:9200/

Set vm.max_map_count to at least 262144

The vm.max_map_count kernel setting must be set to at least 262144 for production use.

The vm.max_map_count setting should be set permanently in /etc/sysctl.conf:

sudo vi /etc/sysctl.conf
vm.max_map_count=262144

Tests

172.18.0.192 55 98 23 2.61 1.65 0.71 dilmrt - es02
172.18.0.191 61 98 22 2.61 1.65 0.71 dilmrt - es01
172.18.0.193 13 98 23 2.61 1.65 0.71 dilmrt * es03

Security

vi /usr/share/elasticsearch/config/elasticsearch.yml

xpack.security.enabled: true
xpack.security.authc.api_key.enabled: true

Tips

AccessDeniedException: /usr/share/elasticsearch/data/nodes

chmod 777 elasticsearch/*